Search results for topographical features

Earth Sciences Sep 21, 2023

Bridging the gap: New terrain smoothing method refines downslope windstorm modeling

Researchers from the UK Met Office, in collaboration with the Chinese Academy of Meteorological Sciences, have developed an advanced terrain-smoothing technique that significantly improves the modeling of downslope windstorms. ...

Astrobiology Sep 20, 2023

New Mars gravity analysis improves understanding of possible ancient ocean

The first use of a novel method of analyzing Mars' gravitational force supports the idea that the planet once had an extensive northern ocean.

Earth Sciences Sep 18, 2023

Plate tectonics 4 billion years ago may have helped initiate life on Earth

The Earth's oldest surface layer forming continents, termed its crust, is approximately 4 billion years old and is comprised of 25–50km-thick volcanic rocks known as basalts. Originally, scientists thought that one complete ...

Archaeology Aug 24, 2023

Missing topographical elements of Paleolithic rock art revealed by stereoscopic imaging

Research led by Complutense University, Madrid, has discovered an array of ancient cave paintings hidden among previously described cave art. In a paper, "Animals hidden in plain sight: stereoscopic recording of Paleolithic ...

Optics & Photonics Aug 23, 2023

Speckle diffraction tomography reveals nanoscale features in thick biological specimens

For years, capturing detailed three-dimensional images of complex biological specimens has posed a major challenge due to their intricate composition and the multiple scattering of light. A game-changing moment has arrived, ...

Earth Sciences Aug 18, 2023

Climate change is bringing bushfires more often, but some ecosystems in Australia are suffering the most

Black Summer, Black Saturday, Ash Wednesday: these and so many other bushfire disasters are regular reminders of the fact Australia is among the most flammable continents on Earth.

Earth Sciences Jul 28, 2023

Spatial regionalization algorithm shows promising results in complex datasets

In the paper, "Extended SLIC superpixels algorithm for applications to non-imagery geospatial rasters," published in the International Journal of Applied Earth Observation and Geoinformation, researchers from Adam Mickiewicz ...

Environment Jul 13, 2023

Evaluating measurement error in remote-sensing deforestation data

Remote sensing methods are transformative tools used to study deforestation, but they are by no means perfect. In the new paper "Remotely Incorrect? Accounting for Nonclassical Measurement Error in Satellite Data on Deforestation," ...

Earth Sciences Jun 26, 2023

Researchers use ancient plant leaf wax to reconstruct the history of Taiwan's mountains

When it comes to studying certain geological processes, you can't get much closer to studying them in real-time than in Taiwan.

Space Exploration Jun 22, 2023

Video: BepiColombo's third Mercury flyby

Watch Mercury appear from the shadows as the ESA/JAXA BepiColombo spacecraft sped by the planet's night side during its 19 June 2023 close flyby, and enjoy a special flyover of geologically rich terrain.

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